DE133734C - - Google Patents

Info

Publication number
DE133734C
DE133734C DENDAT133734D DE133734DA DE133734C DE 133734 C DE133734 C DE 133734C DE NDAT133734 D DENDAT133734 D DE NDAT133734D DE 133734D A DE133734D A DE 133734DA DE 133734 C DE133734 C DE 133734C
Authority
DE
Germany
Prior art keywords
door
weather
rope
track section
lever
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
DENDAT133734D
Other languages
German (de)
English (en)
Publication of DE133734C publication Critical patent/DE133734C/de
Active legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
    • E21F1/10—Air doors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Catching Or Destruction (AREA)
DENDAT133734D Active DE133734C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE133734C true DE133734C (enrdf_load_stackoverflow)

Family

ID=401912

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT133734D Active DE133734C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE133734C (enrdf_load_stackoverflow)

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